go/bindings: update code to pass structs versions tests

mojo/go/tests/validation_test.go

Index: mojo/go/tests/validation_test.go
diff --git a/mojo/go/tests/validation_test.go b/mojo/go/tests/validation_test.go
index d5fc1bcc351e44c7eac39c2514f1c33c50d7d0b7..c7499fff0200dc981351a20693990ccce9368b32 100644
--- a/mojo/go/tests/validation_test.go
+++ b/mojo/go/tests/validation_test.go
@@ -295,6 +295,10 @@ func (v *conformanceValidator) Method10(inParam0 map[string]uint8) error {
 	return v.Proxy.Method10(inParam0)
 }
 
+func (v *conformanceValidator) Method11(inParam0 test.StructG) error {
+	return nil
+}
+
 func TestConformanceValidation(t *testing.T) {
 	tests := getMatchingTests(listTestFiles(), "conformance_")
 	waiter := bindings.GetAsyncWaiter()